GNU Radio 3.7.2git-47-g5cfb1151 C++ API
sync_block.h
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/* -*- c++ -*- */
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/*
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* Copyright 2004,2013 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_RUNTIME_SYNC_BLOCK_H
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#define INCLUDED_GR_RUNTIME_SYNC_BLOCK_H
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#include <
gnuradio/api.h
>
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#include <
gnuradio/block.h
>
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namespace
gr {
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/*!
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* \brief synchronous 1:1 input to output with history
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* \ingroup base_blk
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*
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* Override work to provide the signal processing implementation.
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*/
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class
GR_RUNTIME_API
sync_block
:
public
block
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{
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protected
:
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sync_block
(
void
) {}
// allows pure virtual interface sub-classes
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sync_block
(
const
std::string &name,
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gr::io_signature::sptr
input_signature,
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gr::io_signature::sptr
output_signature);
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public
:
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/*!
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* \brief just like gr::block::general_work, only this arranges to
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* call consume_each for you
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*
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* The user must override work to define the signal processing code
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*/
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virtual
int
work(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items) = 0;
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// gr::sync_block overrides these to assist work
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void
forecast(
int
noutput_items,
gr_vector_int
&ninput_items_required);
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int
general_work(
int
noutput_items,
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gr_vector_int
&ninput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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int
fixed_rate_ninput_to_noutput(
int
ninput);
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int
fixed_rate_noutput_to_ninput(
int
noutput);
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};
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}
/* namespace gr */
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#endif
/* INCLUDED_GR_RUNTIME_SYNC_BLOCK_H */
gnuradio
gnuradio-runtime
include
gnuradio
sync_block.h
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